Four-section extrusion system for WPC wood-plastic floor production line
By designing a four-stage extrusion system for WPC wood-plastic floor production line, the twin screw feeding is achieved using the second motor, feed channel and pulley system, and the raw material temperature is controlled by the heating coil, the problem of instability of the extrusion system in the prior art cannot achieve twin screw feeding and extrusion pressure instability, and the feed stability and pressure stability are achieved.
Patent Information
- Application Number
- CN202421676465.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The extrusion system used in the existing WPC wood-plastic flooring production line cannot realize twin-screw feeding, resulting in the stability of the feeding process being affected by the start-stop of the feeder and the extrusion pressure is unstable.
A four-stage extrusion system is designed, and the twin screw feeding is realized by setting up a second motor, feeding channel, upper conveying screw, lower conveying screw, belt, active pulley and driven pulley, and a heating coil is installed on the outside of the screw barrel to control the raw material temperature.
The twin-screw feeding is realized, avoiding the stability of the feeding process being affected by the start and stop of the feeder, ensuring the stability of the extrusion pressure, and heating and temperature control of the raw materials through the heating coil, which facilitates subsequent shaping and processing.
Smart Images
Figure CN222844716U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of extrusion systems, in particular to a four-stage extrusion system for a WPC wood plastic floor production line. Background Art
[0002] In the WPC wood plastic flooring production line, one of the processes is the extrusion process, and the extrusion system will be used at this time.
[0003] The extrusion system used in the existing WPC wood plastic floor production line cannot realize twin-screw feeding when in use, which inevitably causes the stability of the feeding process to be affected by the start and stop of the feeder, and the extrusion pressure is unstable. Therefore, a four-stage extrusion system for the WPC wood plastic floor production line is urgently needed to solve the above technical problems. Utility Model Content
[0004] The utility model aims to provide a four-stage extrusion system for a WPC wood plastic floor production line, so as to solve the problem that the existing WPC wood plastic floor production line extrusion system proposed in the above background technology cannot realize twin-screw feeding when in use, resulting in the inevitable stability of the feeding process being affected by the start and stop of the feeder and the unstable extrusion pressure.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A four-stage extrusion system for a WPC wood plastic floor production line comprises a machine body, a screw barrel is installed at the upper right end of the machine body, a discharge port is opened at the right end of the screw barrel, a power box is connected to the left end of the screw barrel, a screw is horizontally arranged inside the screw barrel, a first motor is arranged inside the power box, a first coupling is connected to the right end of the first motor, the left end of the screw passes through the left end of the screw barrel and is connected to the first coupling, a sealing ring is arranged at the connection between the left end of the screw and the screw barrel, a feed channel is arranged at the upper left end of the screw barrel, a protective shell is arranged at the left end of the feed channel, an upper conveying screw and a lower conveying screw are symmetrically arranged inside the feed channel A conveying screw, a driving pulley and a driven pulley are respectively provided at the left ends of the upper conveying screw and the lower conveying screw, the driving pulley and the driven pulley are connected by a belt, the left end of the upper conveying screw passes through the feed channel and the left end of the protective shell and is connected to the second motor through a second coupling, the bottom of the second motor is connected to the top of the power box through a support platform, the lower right end of the feed channel is connected to the screw barrel, the top of the feed channel is connected to a feed hopper, the left side wall of the feed hopper is connected to a conveying pipe, the left end of the lower conveying screw passes through the left end of the feed channel and is connected to the inner left side wall of the protective shell, and a heating coil is provided on the outside of the screw barrel.
[0007] As a preferred technical solution of the utility model, heat dissipation holes are provided on the power box.
[0008] As a preferred technical solution of the present utility model, the conveying pipeline is arranged inclined.
[0009] As a preferred technical solution of the utility model, the feeding funnel is located at the upper left end of the top of the feeding channel, and the two are connected.
[0010] As a preferred technical solution of the present utility model, the shape of the feeding channel is an L-shaped structure.
[0011] As a preferred technical solution of the utility model, the protective shell has the driving pulley and the driven pulley covered therein.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model realizes twin-screw feeding by arranging a second motor, a feeding channel, an upper conveying screw, a lower conveying screw, a belt, a driving pulley and a driven pulley, and utilizes the mutual cooperation between them, so as to avoid the stability of the feeding process being affected by the start and stop of the feeder, and the extrusion pressure is stable.
[0014] 2. The utility model provides a heating coil on the outside of the screw barrel, so that the raw material can be heated and the temperature can be controlled, which is beneficial to the subsequent shaping process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is an enlarged schematic diagram of part of the structure of the utility model.
[0018] In the figure: 1. Machine body; 2. Screw barrel; 3. Feed channel; 4. Discharge port; 5. Feed hopper; 6. Conveying pipeline; 7. First motor; 8. Power box; 9. First coupling; 10. Screw; 11. Sealing ring; 12. Upper conveying screw; 13. Second motor; 14. Second coupling; 15. Driving pulley; 16. Driven pulley; 17. Lower conveying screw; 18. Support platform; 19. Protective shell; 20. Heating coil. DETAILED DESCRIPTION
[0019] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.
[0020] See also Figure 1-2 A four-stage extrusion system for a WPC wood plastic floor production line includes a body 1, a screw barrel 2 is installed at the upper right end of the body 1, a discharge port 4 is opened at the right end of the screw barrel 2, a power box 8 is connected to the left end of the screw barrel 2, a screw 10 is horizontally arranged inside the screw barrel 2, a first motor 7 is arranged inside the power box 8, a first coupling 9 is connected to the right end of the first motor 7, the left end of the screw 10 passes through the left end of the screw barrel 2 and is connected to the first coupling 9, a sealing ring 11 is arranged at the connection between the left end of the screw 10 and the screw barrel 2, a feed channel 3 is arranged at the upper left end of the screw barrel 2, a protective shell 19 is arranged at the left end of the feed channel 3, and an upper conveying screw 12 and a lower conveying screw 17 are symmetrically arranged inside the feed channel 3, The left ends of the upper conveying screw 12 and the lower conveying screw 17 are respectively provided with a driving pulley 15 and a driven pulley 16, and the driving pulley 15 and the driven pulley 16 are connected by a belt. The left end of the upper conveying screw 12 passes through the feeding channel 3 and the left end of the protective shell 19 and is connected to the second motor 13 through the second coupling 14. The bottom of the second motor 13 is connected to the top of the power box 8 through the support platform 18. The lower right end of the feeding channel 3 is connected to the screw barrel 2, and the top of the feeding channel 3 is connected to the feeding funnel 5. The left side wall of the feeding funnel 5 is connected to the conveying pipe 6. The left end of the lower conveying screw 17 passes through the left end of the feeding channel 3 and is connected to the inner left side wall of the protective shell 19. The outside of the screw barrel 2 is provided with a heating coil 20.
[0021] Among them, the power box 8 is provided with heat dissipation holes.
[0022] Among them, the conveying pipeline 6 is arranged inclined.
[0023] The feeding funnel 5 is located at the upper left end of the top of the feeding channel 3, and the two are connected.
[0024] The shape of the feeding channel 3 is an L-shaped structure.
[0025] The protective housing 19 covers the driving pulley 15 and the driven pulley 16 .
[0026] The working principle and use process of the utility model are as follows: first, the raw materials of the previous mixing process are conveyed to the feeding funnel 5 through the conveying pipeline 6, which is the first section; then, the raw materials are conveyed to the feeding channel 3 through the feeding funnel 5, which is the second section; the raw materials entering the feeding channel 3 are driven by the driving pulley 15 and the driven pulley 16 through the belt to rotate, so that the upper conveying screw 12 and the lower conveying screw 17 on the driving pulley 15 and the driven pulley 16 rotate, thereby realizing double-screw feeding, and avoiding the stability of the feeding process being affected by the start and stop of the feeder, and the extrusion pressure is stable, so that the raw materials in the feeding channel 3 enter the screw barrel 2 from the lower right end, which is the third section; then, the first motor 7 is started to drive the screw 10 on the first coupling 9 to rotate, and the raw materials entering the screw barrel 2 are conveyed to the right by the rotating screw 10, and finally extruded from the discharge port 4, which is the fourth section;
[0027] When passing through the screw barrel 2, the heating coil 20 can be energized by an external electromagnetic heating controller, so that the heating coil 20 heats the raw materials in the screw barrel 2 through the principle of electromagnetic induction heating. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0028] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.
Claims
1. A four-stage extrusion system for a WPC wood plastic floor production line, comprising a body (1), characterized in that: A screw barrel (2) is installed at the upper right end of the machine body (1), a discharge port (4) is provided at the right end of the screw barrel (2), a power box (8) is connected to the left end of the screw barrel (2), a screw (10) is horizontally arranged inside the screw barrel (2), a first motor (7) is arranged inside the power box (8), a first coupling (9) is connected to the right end of the first motor (7), and the left end of the screw (10) passes through the screw barrel (2) to pass through the first coupling (9). The left end of the barrel (2) is connected to the first coupling (9), a sealing ring (11) is provided at the connection between the left end of the screw (10) and the screw barrel (2), a feed channel (3) is provided at the upper left end of the screw barrel (2), a protective shell (19) is provided at the left end of the feed channel (3), an upper conveying screw (12) and a lower conveying screw (17) are symmetrically provided inside the feed channel (3), and the upper conveying screw (12) and A driving pulley (15) and a driven pulley (16) are respectively arranged at the left end of the lower conveying screw (17), and the driving pulley (15) and the driven pulley (16) are connected by a belt. The left end of the upper conveying screw (12) passes through the feed channel (3) and the left end of the protective shell (19) and is connected to the second motor (13) through the second coupling (14). The bottom of the second motor (13) is connected to the top of the power box (8) through the support platform (18). The lower right end of the feed channel (3) is connected to the screw barrel (2). The top of the feed channel (3) is connected to the feed hopper (5). The left side wall of the feed hopper (5) is connected to a conveying pipe (6). The left end of the lower conveying screw (17) passes through the left end of the feed channel (3) and is connected to the inner left side wall of the protective shell (19). A heating coil (20) is arranged on the outer side of the screw barrel (2).
2. The four-stage extrusion system for a WPC wood plastic floor production line according to claim 1 is characterized in that: The power box (8) is provided with heat dissipation holes.
3. The four-stage extrusion system for a WPC wood plastic floor production line according to claim 1 is characterized in that: The conveying pipeline (6) is arranged at an inclination.
4. The four-stage extrusion system for a WPC wood plastic floor production line according to claim 1 is characterized in that: The feeding funnel (5) is located at the upper left end of the top of the feeding channel (3), and the two are connected.
5. The four-stage extrusion system for a WPC wood plastic floor production line according to claim 1 is characterized in that: The shape of the feeding channel (3) is an L-shaped structure.
6. The four-stage extrusion system for a WPC wood plastic floor production line according to claim 1 is characterized in that: The protective housing (19) covers the driving pulley (15) and the driven pulley (16).